Science

Friday, 16 January 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Tears
The frequency of crying depends on human nature.
There is no equation to calculate how often people cry. It depends on various factors, such as emoti ...
Nicotine
Nicotine is also used in the treatment of attention deficit hyperactivity disorder (ADHD).
The therapy uses patches containing nicotine, which is perfectly absorbed through the skin. Just 45 ...
Fungi
All fungi are heterotrophic organisms and can only occur in habitats containing organic compounds.
Many species require small amounts of them to survive. They can be saprophytes feeding on dead organic matter, or parasites developing at the expense of other living organisms.
Deimos
The area of Deimos is only 483,05 square kilometers.
Nicotine
Tobacco, whose leaves are the source of nicotine, was cultivated by people living in America two thousand years before its discovery by Columbus.
It came to Europe in the 16th century and both tobacco and the nicotine it contained were originally ...
Fungi
In the past, mushrooms were considered a part of the plant world, a group of fungi.
It was suggested that they had a limited ability to move, their type of growth, and their morphologi ...
Ganymede
Ganymede orbits Jupiter at a distance of 1.070.400 kilometers. The complete orbit takes 7 days and 3 hours.
Brain
The average weight of a brain ranges from about 1,225 to 1,375 grams.
Men's brains are heavier than women's brains, but the weight does not affect the brain’s performance. An infant's brain weighs only 350 grams.
Earth
Depending on the classification, there are five to seven continents on Earth.
According to the most common division, there are Europe, Asia, North America, South America, Africa, ...
NASA
The first NASA Space Shuttle, Columbia, at the end of its final flight on February 1st, 2003, disintegrated upon reentry, which resulted in the death of all seven members of the crew.